Relationship of Aphid Density to Altitude
THE dispersal of small insects to high altitudes by convection and turbulence is known to produce an insect-density gradient in which density decreases with height 1,2 . The distribution has never been expressed mathematically; and since the insect population of the air varies considerably from hour...
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| Veröffentlicht in: | Nature (London) 1951-08, Vol.168 (4269), p.337-338 |
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| container_issue | 4269 |
| container_start_page | 337 |
| container_title | Nature (London) |
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| creator | JOHNSON, C. G PENMAN, H. L |
| description | THE dispersal of small insects to high altitudes by convection and turbulence is known to produce an insect-density gradient in which density decreases with height
1,2
. The distribution has never been expressed mathematically; and since the insect population of the air varies considerably from hour to hour, and most of the observations at the different heights were made at different times, mathematical analysis would have yielded little of value. |
| doi_str_mv | 10.1038/168337a0 |
| format | Article |
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1,2
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1,2
. The distribution has never been expressed mathematically; and since the insect population of the air varies considerably from hour to hour, and most of the observations at the different heights were made at different times, mathematical analysis would have yielded little of value.</description><subject>Humanities and Social Sciences</subject><subject>letter</subject><subject>multidisciplinary</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><issn>0028-0836</issn><issn>1476-4687</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1951</creationdate><recordtype>article</recordtype><recordid>eNptz81KxDAUBeAgCtZR8AmkS2dRvemNSbocxl8YEETXJWkSJ0NtS5Iu5u2t1MGNq7P5OJxDyCWFGwoobymXiELBEckoE7xgXIpjkgGUsgCJ_JScxbgDgDsqWEaWb7ZVyfdd3Poh712-Grbe5Pe2iz7t89Tnqzb5NBp7Tk6caqO9-M0F-Xh8eF8_F5vXp5f1alM0pWSpcIjonG60BcOoq6TA0paNlqXTjBklRIUSWIWWCWMqw5UDajiiRqqprnBBrufeJvQxBuvqIfgvFfY1hfrnYn24ONHlTONEuk8b6l0_hm5a95-9mm2n0hjsX-kBfAOi2Fmw</recordid><startdate>19510825</startdate><enddate>19510825</enddate><creator>JOHNSON, C. G</creator><creator>PENMAN, H. L</creator><general>Nature Publishing Group UK</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19510825</creationdate><title>Relationship of Aphid Density to Altitude</title><author>JOHNSON, C. G ; PENMAN, H. L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c284t-f333ffbcbe0d41f98732e2cb82fb44da779380493e47dd9d6af01d633b31b1b93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1951</creationdate><topic>Humanities and Social Sciences</topic><topic>letter</topic><topic>multidisciplinary</topic><topic>Science</topic><topic>Science (multidisciplinary)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>JOHNSON, C. G</creatorcontrib><creatorcontrib>PENMAN, H. L</creatorcontrib><collection>CrossRef</collection><jtitle>Nature (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>JOHNSON, C. G</au><au>PENMAN, H. L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Relationship of Aphid Density to Altitude</atitle><jtitle>Nature (London)</jtitle><stitle>Nature</stitle><date>1951-08-25</date><risdate>1951</risdate><volume>168</volume><issue>4269</issue><spage>337</spage><epage>338</epage><pages>337-338</pages><issn>0028-0836</issn><eissn>1476-4687</eissn><abstract>THE dispersal of small insects to high altitudes by convection and turbulence is known to produce an insect-density gradient in which density decreases with height
1,2
. The distribution has never been expressed mathematically; and since the insect population of the air varies considerably from hour to hour, and most of the observations at the different heights were made at different times, mathematical analysis would have yielded little of value.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><doi>10.1038/168337a0</doi><tpages>2</tpages></addata></record> |
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| ispartof | Nature (London), 1951-08, Vol.168 (4269), p.337-338 |
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| language | eng |
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| source | SpringerLink Journals; Nature |
| subjects | Humanities and Social Sciences letter multidisciplinary Science Science (multidisciplinary) |
| title | Relationship of Aphid Density to Altitude |
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